Diving mask



FIG. 1 is a front elevational view of the diving mask showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof the left side being a mirror image;

FIG. 6 is a fragmentary cross-sectional view thereof taken along line 6--6 of FIG. 5; and

FIG. 7 is a fragmentary cross-sectional view thereof taken along line 7--7 of FIG. 6. 

The ornamental design for a diving mask, substantially as shown and described. 